DataControlField.HeaderStyle Propriedade
Definição
Obtém ou define o estilo do cabeçalho do campo de controle de dados.Gets or sets the style of the header of the data control field.
public:
property System::Web::UI::WebControls::TableItemStyle ^ HeaderStyle { System::Web::UI::WebControls::TableItemStyle ^ get(); };
[System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)]
public System.Web.UI.WebControls.TableItemStyle HeaderStyle { get; }
[<System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)>]
member this.HeaderStyle : System.Web.UI.WebControls.TableItemStyle
Public ReadOnly Property HeaderStyle As TableItemStyle
Valor da propriedade
Um TableItemStyle que rege a aparência do item de cabeçalho DataControlField.A TableItemStyle that governs the appearance of the DataControlField header item.
- Atributos
Exemplos
O exemplo de código a seguir demonstra como definir declarativamente a HeaderStyle propriedade de uma HyperLinkField coluna, que exibe uma cor de plano de fundo amarela para o cabeçalho de coluna no GridView controle.The following code example demonstrates how to declaratively set the HeaderStyle property of a HyperLinkField column, which displays a yellow background color for the column header in the GridView control.
<%@ page language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>ASP.NET Example</title>
</head>
<body>
<form id="form1" runat="server">
<asp:sqldatasource
id="SqlDataSource1"
runat="server"
connectionstring="<%$ ConnectionStrings:MyNorthwind%>"
selectcommand="SELECT EmployeeID, FirstName, LastName, Title, Region FROM Employees">
</asp:sqldatasource>
<asp:gridview
id="GridView1"
runat="server"
allowpaging="True"
datasourceid="SqlDataSource1"
allowsorting="True"
width="472px">
<columns>
<asp:buttonfield
headerimageurl="http://www.microsoft.com/homepage/gif/bnr-microsoft.gif"
text="ClickMe"
showheader="True"
buttontype="Button">
</asp:buttonfield>
<asp:hyperlinkfield
target="http://msdn.microsoft.com/"
headertext="Link To Info"
text="MyLink">
<headerstyle backcolor="Yellow">
</headerstyle>
</asp:hyperlinkfield>
</columns>
</asp:gridview>
</form>
</body>
</html>
<%@ page language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>ASP.NET Example</title>
</head>
<body>
<form id="form1" runat="server">
<asp:sqldatasource
id="SqlDataSource1"
runat="server"
connectionstring="<%$ ConnectionStrings:MyNorthwind%>"
selectcommand="SELECT EmployeeID, FirstName, LastName, Title, Region FROM Employees">
</asp:sqldatasource>
<asp:gridview
id="GridView1"
runat="server"
allowpaging="True"
datasourceid="SqlDataSource1"
allowsorting="True"
width="472px">
<columns>
<asp:buttonfield
headerimageurl="http://www.microsoft.com/homepage/gif/bnr-microsoft.gif"
text="ClickMe"
showheader="True"
buttontype="Button">
</asp:buttonfield>
<asp:hyperlinkfield
target="http://msdn.microsoft.com/"
headertext="Link To Info"
text="MyLink">
<headerstyle backcolor="Yellow">
</headerstyle>
</asp:hyperlinkfield>
</columns>
</asp:gridview>
</form>
</body>
</html>
Comentários
A HeaderStyle Propriedade governa a aparência de qualquer texto exibido no item de cabeçalho de um tipo derivado de DataControlField .The HeaderStyle property governs the appearance of any text displayed in the header item of a type derived from DataControlField. A aplicação mais comum da HeaderStyle propriedade é alterar o estilo dos cabeçalhos de coluna em um GridView controle.The most common application of the HeaderStyle property is to alter the style of the column headers in a GridView control.